#include<iostream>
using namespace std;

//class C
//{
//public:
//	C()
//	{
//		_num = 1;
//	}
//	void print()
//	{
//		cout << _num << endl;
//	}
//private:
//	int _num;
//};
class Data
{
public:
	/*Data(int year = 1,int month = 1,int day = 1)
	{
		_year = year;
		_month = month;
		_day = day;
	}*/
	~Data()
	{
		/*cout << "test1" << endl;*/
	}
	void print()
	{
		cout << this->_year << "--" << this->_month << "--" << this->_day << endl;
	}
private:
	int _year;
	int _month;
	int _day;
	/*C _cc;*/
};
int main()
{
	
	Data A;
	A.print();

	return 0;
}